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Servers and applications

CVE-2021-1404

A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffer size tracking that may result in a heap buffer over-read. An attacker could exploit this vulnerability by sending a crafted PDF file to…

Severity
High 7.5
Published
8 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
ClamAVServers and applications · cpe:a:clamav:clamav
  • Version 0.103.0
  • Version 0.103.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-1404
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-1404